O'Brien went 1-for-3 with a home run and three RBI in the Marlins' 6-4 win over the Phillies on Sunday. O'Brien plated two runs on his fourth-inning home run off Nick Pivetta and padded the Marlins' lead with a RBI groundout in the sixth. The 28-year-old has started in three of the Marlins' last five games and could provide some useful power numbers in NL-only formats over the final two weeks of the season, though a 38.8 percent career strikeout rate in the majors gives him significant batting-average downside.
O'Brien went 2-for-3 with a home run and two RBI in Thursday's 4-3 loss to the Mets during Game 1 of a doubleheader. O'Brien opened the game's scoring with a solo shot in the second inning before driving in another run in the seventh. It was the 28-year-old's first big league homer since 2016 and his first two RBI of the season.
O'Brien had his contract purchased from Triple-A New Orleans on Tuesday, Andre Fernandez of the Miami Herald reports. O'Brien was traded from the Dodgers to the Marlins back in June. The 28-year-old has spent the entire season in the minors, slashing a combined .216/.330/.506 with 30 homers across 110 games between Double- and Triple-A. He'll serve as a right-handed power bat off the bench for the Marlins. O'Brien owns a career .176/.228/.446 slash line with six homers across 79 big-league plate appearances.
The Marlins acquired O'Brien from the Dodgers on Friday, Matthew DeFranks of the South Florida Sun Sentinel reports. O'Brien appeared in 36 games for the Diamondbacks between the 2015 and 2016 seasons and showed some pop with five home runs, but slashed .176/.228/.446 with 32 strikeouts in 79 plate appearances. The 27-year-old bounced between Double-A and Triple-A last season, and has struggled with a .150/.241/.390 line at Double-A Tulsa in 2018. O'Brien will report to Double-A Jacksonville with his new organization.
The Dodgers sent O'Brien to Triple-A Oklahoma City on Thursday. O'Brien was designated for assignment Monday but will remain with the organization as outfield depth. His power is tantalizing, but thanks to woeful plate discipline and defensive shortcomings, he continues to struggle landing a sustained role in which he can convert that thump into production. Even with those flaws, he remains a watch candidate for deep dynasty fantasy leagues.